Duracell Procell batteries are made to rigid specifications to meet some of the highest standards of durability and longevity that professional users demand and expect. Each battery is date coded for freshness. Procell batteries are rated for reliable operation in temperature extremes from -20 to 54 degree C and contain no added mercury. They’re available in economical bulk packaging for easier inventory management. Duracell Procell batteries are often specified for pagers, remotes, flashlights, calculators, electronic test equipment, door locks, electronic safety equipment, cameras, medical devices. AAA Size. Flat terminals. Nominal voltage: 1.5 volt. Operating voltage: 1.6 to 0.75 volt. Impedance: 250 megoham at 1 kilohertz. Typical volume: 3.5 cubic centimeters. Temperature range: Storage -20 to 35 degree C; Operating -20 to 54 degree C. ANSI: 24A. IEC: LR03. Measures 10.5-millimeters diameter by 44.5-millimeters height.